/**
* collectd - src/processes.c
* Copyright (C) 2005 Lyonel Vincent
+ * Copyright (C) 2006 Florian Forster (Mach code)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Florian octo Forster <octo at verplant.org>
**/
-#include "processes.h"
+#include "collectd.h"
+#include "common.h"
+#include "plugin.h"
+#include "utils_debug.h"
+
+/* Include header files for the mach system, if they exist.. */
+#if HAVE_MACH_MACH_INIT_H
+# include <mach/mach_init.h>
+#endif
+#if HAVE_MACH_HOST_PRIV_H
+# include <mach/host_priv.h>
+#endif
+#if HAVE_MACH_MACH_ERROR_H
+# include <mach/mach_error.h>
+#endif
+#if HAVE_MACH_MACH_HOST_H
+# include <mach/mach_host.h>
+#endif
+#if HAVE_MACH_MACH_PORT_H
+# include <mach/mach_port.h>
+#endif
+#if HAVE_MACH_MACH_TYPES_H
+# include <mach/mach_types.h>
+#endif
+#if HAVE_MACH_MESSAGE_H
+# include <mach/message.h>
+#endif
+#if HAVE_MACH_PROCESSOR_SET_H
+# include <mach/processor_set.h>
+#endif
+#if HAVE_MACH_TASK_H
+# include <mach/task.h>
+#endif
+#if HAVE_MACH_THREAD_ACT_H
+# include <mach/thread_act.h>
+#endif
+#if HAVE_MACH_VM_REGION_H
+# include <mach/vm_region.h>
+#endif
+#if HAVE_MACH_VM_MAP_H
+# include <mach/vm_map.h>
+#endif
+#if HAVE_MACH_VM_PROT_H
+# include <mach/vm_prot.h>
+#endif
-#if COLLECT_PROCESSES
#define MODULE_NAME "processes"
-#include "common.h"
-#include "plugin.h"
+#if HAVE_THREAD_INFO || KERNEL_LINUX
+# define PROCESSES_HAVE_READ 1
+#else
+# define PROCESSES_HAVE_READ 0
+#endif
+
+#define BUFSIZE 256
static char *ps_file = "processes.rrd";
static char *ds_def[] =
{
- "DS:running:GAUGE:25:0:65535",
- "DS:sleeping:GAUGE:25:0:65535",
- "DS:zombies:GAUGE:25:0:65535",
- "DS:stopped:GAUGE:25:0:65535",
- "DS:paging:GAUGE:25:0:65535",
- "DS:blocked:GAUGE:25:0:65535",
+ "DS:running:GAUGE:"COLLECTD_HEARTBEAT":0:65535",
+ "DS:sleeping:GAUGE:"COLLECTD_HEARTBEAT":0:65535",
+ "DS:zombies:GAUGE:"COLLECTD_HEARTBEAT":0:65535",
+ "DS:stopped:GAUGE:"COLLECTD_HEARTBEAT":0:65535",
+ "DS:paging:GAUGE:"COLLECTD_HEARTBEAT":0:65535",
+ "DS:blocked:GAUGE:"COLLECTD_HEARTBEAT":0:65535",
NULL
};
static int ds_num = 6;
-extern time_t curtime;
+#if HAVE_THREAD_INFO
+static mach_port_t port_host_self;
+static mach_port_t port_task_self;
-void ps_init (void)
+static processor_set_name_array_t pset_list;
+static mach_msg_type_number_t pset_list_len;
+/* #endif HAVE_THREAD_INFO */
+
+#elif KERNEL_LINUX
+/* No global variables */
+#endif /* KERNEL_LINUX */
+
+static void ps_init (void)
{
+#if HAVE_THREAD_INFO
+ kern_return_t status;
+
+ port_host_self = mach_host_self ();
+ port_task_self = mach_task_self ();
+
+ if (pset_list != NULL)
+ {
+ vm_deallocate (port_task_self,
+ (vm_address_t) pset_list,
+ pset_list_len * sizeof (processor_set_t));
+ pset_list = NULL;
+ pset_list_len = 0;
+ }
+
+ if ((status = host_processor_sets (port_host_self,
+ &pset_list,
+ &pset_list_len)) != KERN_SUCCESS)
+ {
+ syslog (LOG_ERR, "host_processor_sets failed: %s\n",
+ mach_error_string (status));
+ pset_list = NULL;
+ pset_list_len = 0;
+ return;
+ }
+/* #endif HAVE_THREAD_INFO */
+
+#elif KERNEL_LINUX
+ /* No init */
+#endif /* KERNEL_LINUX */
+
+ return;
}
-void ps_write (char *host, char *inst, char *val)
+static void ps_write (char *host, char *inst, char *val)
{
rrd_update_file (host, ps_file, val, ds_def, ds_num);
}
-#define BUFSIZE 256
-void ps_submit (unsigned int running,
- unsigned int sleeping,
- unsigned int zombies,
- unsigned int stopped,
- unsigned int paging,
- unsigned int blocked)
+#if PROCESSES_HAVE_READ
+static void ps_submit (int running,
+ int sleeping,
+ int zombies,
+ int stopped,
+ int paging,
+ int blocked)
{
char buf[BUFSIZE];
- if (snprintf (buf, BUFSIZE, "%u:%u:%u:%u:%u:%u:%u",
+ if (snprintf (buf, BUFSIZE, "%u:%i:%i:%i:%i:%i:%i",
(unsigned int) curtime,
running, sleeping, zombies, stopped, paging,
blocked) >= BUFSIZE)
plugin_submit (MODULE_NAME, "-", buf);
}
-void ps_read (void)
+static void ps_read (void)
{
-#ifdef KERNEL_LINUX
- unsigned int running, sleeping, zombies, stopped, paging, blocked;
+#if HAVE_THREAD_INFO
+ kern_return_t status;
+
+ int pset;
+ processor_set_t port_pset_priv;
+
+ int task;
+ task_array_t task_list;
+ mach_msg_type_number_t task_list_len;
+
+ int thread;
+ thread_act_array_t thread_list;
+ mach_msg_type_number_t thread_list_len;
+ thread_basic_info_data_t thread_data;
+ mach_msg_type_number_t thread_data_len;
+
+ int running = 0;
+ int sleeping = 0;
+ int zombies = 0;
+ int stopped = 0;
+ int blocked = 0;
+
+ /*
+ * The Mach-concept is a little different from the traditional UNIX
+ * concept: All the work is done in threads. Threads are contained in
+ * `tasks'. Therefore, `task status' doesn't make much sense, since
+ * it's actually a `thread status'.
+ * Tasks are assigned to sets of processors, so that's where you go to
+ * get a list.
+ */
+ for (pset = 0; pset < pset_list_len; pset++)
+ {
+ if ((status = host_processor_set_priv (port_host_self,
+ pset_list[pset],
+ &port_pset_priv)) != KERN_SUCCESS)
+ {
+ syslog (LOG_ERR, "host_processor_set_priv failed: %s\n",
+ mach_error_string (status));
+ continue;
+ }
+
+ if ((status = processor_set_tasks (port_pset_priv,
+ &task_list,
+ &task_list_len)) != KERN_SUCCESS)
+ {
+ syslog (LOG_ERR, "processor_set_tasks failed: %s\n",
+ mach_error_string (status));
+ mach_port_deallocate (port_task_self, port_pset_priv);
+ continue;
+ }
+
+ for (task = 0; task < task_list_len; task++)
+ {
+ status = task_threads (task_list[task], &thread_list,
+ &thread_list_len);
+ if (status != KERN_SUCCESS)
+ {
+ /* Apple's `top' treats this case a zombie. It
+ * makes sense to some extend: A `zombie'
+ * thread is nonsense, since the task/process
+ * is dead. */
+ zombies++;
+ DBG ("task_threads failed: %s",
+ mach_error_string (status));
+ if (task_list[task] != port_task_self)
+ mach_port_deallocate (port_task_self,
+ task_list[task]);
+ continue; /* with next task_list */
+ }
+
+ for (thread = 0; thread < thread_list_len; thread++)
+ {
+ thread_data_len = THREAD_BASIC_INFO_COUNT;
+ status = thread_info (thread_list[thread],
+ THREAD_BASIC_INFO,
+ (thread_info_t) &thread_data,
+ &thread_data_len);
+ if (status != KERN_SUCCESS)
+ {
+ syslog (LOG_ERR, "thread_info failed: %s\n",
+ mach_error_string (status));
+ if (task_list[task] != port_task_self)
+ mach_port_deallocate (port_task_self,
+ thread_list[thread]);
+ continue; /* with next thread_list */
+ }
+
+ switch (thread_data.run_state)
+ {
+ case TH_STATE_RUNNING:
+ running++;
+ break;
+ case TH_STATE_STOPPED:
+ /* What exactly is `halted'? */
+ case TH_STATE_HALTED:
+ stopped++;
+ break;
+ case TH_STATE_WAITING:
+ sleeping++;
+ break;
+ case TH_STATE_UNINTERRUPTIBLE:
+ blocked++;
+ break;
+ /* There is no `zombie' case here,
+ * since there are no zombie-threads.
+ * There's only zombie tasks, which are
+ * handled above. */
+ default:
+ syslog (LOG_WARNING,
+ "Unknown thread status: %s",
+ thread_data.run_state);
+ break;
+ } /* switch (thread_data.run_state) */
+
+ if (task_list[task] != port_task_self)
+ {
+ status = mach_port_deallocate (port_task_self,
+ thread_list[thread]);
+ if (status != KERN_SUCCESS)
+ syslog (LOG_ERR, "mach_port_deallocate failed: %s",
+ mach_error_string (status));
+ }
+ } /* for (thread_list) */
+
+ if ((status = vm_deallocate (port_task_self,
+ (vm_address_t) thread_list,
+ thread_list_len * sizeof (thread_act_t)))
+ != KERN_SUCCESS)
+ {
+ syslog (LOG_ERR, "vm_deallocate failed: %s",
+ mach_error_string (status));
+ }
+ thread_list = NULL;
+ thread_list_len = 0;
+
+ /* Only deallocate the task port, if it isn't our own.
+ * Don't know what would happen in that case, but this
+ * is what Apple's top does.. ;) */
+ if (task_list[task] != port_task_self)
+ {
+ status = mach_port_deallocate (port_task_self,
+ task_list[task]);
+ if (status != KERN_SUCCESS)
+ syslog (LOG_ERR, "mach_port_deallocate failed: %s",
+ mach_error_string (status));
+ }
+ } /* for (task_list) */
+
+ if ((status = vm_deallocate (port_task_self,
+ (vm_address_t) task_list,
+ task_list_len * sizeof (task_t))) != KERN_SUCCESS)
+ {
+ syslog (LOG_ERR, "vm_deallocate failed: %s",
+ mach_error_string (status));
+ }
+ task_list = NULL;
+ task_list_len = 0;
+
+ if ((status = mach_port_deallocate (port_task_self, port_pset_priv))
+ != KERN_SUCCESS)
+ {
+ syslog (LOG_ERR, "mach_port_deallocate failed: %s",
+ mach_error_string (status));
+ }
+ } /* for (pset_list) */
+
+ ps_submit (running, sleeping, zombies, stopped, -1, blocked);
+/* #endif HAVE_THREAD_INFO */
+
+#elif KERNEL_LINUX
+ int running = 0;
+ int sleeping = 0;
+ int zombies = 0;
+ int stopped = 0;
+ int paging = 0;
+ int blocked = 0;
char buf[BUFSIZE];
char filename[20]; /* need 17 bytes */
- char *fields[256];
+ char *fields[BUFSIZE];
struct dirent *ent;
DIR *proc;
fclose (fh);
- if (strsplit (buf, fields, 256) < 3)
+ if (strsplit (buf, fields, BUFSIZE) < 3)
continue;
switch (fields[2][0])
closedir(proc);
ps_submit (running, sleeping, zombies, stopped, paging, blocked);
-#endif /* defined(KERNEL_LINUX) */
+#endif /* KERNEL_LINUX */
}
-#undef BUFSIZE
+#else
+# define ps_read NULL
+#endif /* PROCESSES_HAVE_READ */
void module_register (void)
{
plugin_register (MODULE_NAME, ps_init, ps_read, ps_write);
}
+#undef BUFSIZE
#undef MODULE_NAME
-#endif /* COLLECT_PROCESSES */
projects / collectd.git / blobdiff